Window Replacement in Jacksonville - Free In-Home Measure, Written Price

Trusted Window Replacement for Jacksonville Homeowners

Window Replacement in Jacksonville typically costs between $450 and $1,400 per opening, depending on the material, glass package, and how much rot or water damage the crew finds once the old frame comes out. Most full-home projects run $6,000 to $18,000, and the work usually takes one to two days for a standard vinyl retrofit. We’re Lightwell Windows Jacksonville, part of the Cedarwell network since 2010, led by Keith Yamada, and we put every price in writing before the first piece of trim is touched.

Call (904) 914-3691

If you’re reading this with a window that fogs between the panes, a sash that won’t stay up, or a frame that whistles during a summer thunderstorm, you’re in the right place. Call (904) 914-3691 and a live person answers, any hour. That’s not a recorded line. It’s us.

A light well is the architectural opening that pulls daylight deep into a building. That’s what a well-installed window should do for your home: bring light in, keep the Florida heat and humidity out, and close tight enough that you never think about it again. That’s the job we do every day across Jacksonville, including Window Replacement - Orange Park.

You can learn more about what we offer on our home page, or keep reading for pricing, process, brands, and the specifics of what happens inside your house while we work.

Key Takeaways

• Typical cost: $450 – $1,400 per window in Jacksonville, with most full-home projects landing between $6,000 and $18,000.
• Written price first: You get a line-item quote before any work starts. No invoice surprise, ever.
• 365-Day Done Right Promise: If the finished work isn’t right, Lightwell makes it right. No debate, no countdown.
• Crew behavior matters: Shoe covers, drop cloths, a photo of the clean-up, and pet-safe products wherever there’s a choice.
• Live phone, 24/7: Call (904) 914-3691 and a person answers. Not a menu.

Energy Efficient Windows

Energy Efficient Windows are the difference between an air conditioner that cycles normally in July and one that runs from noon to midnight just to hold 78 degrees. In Jacksonville’s climate, heat gain through glass is the single biggest driver of summer cooling bills, and the right low-E coating paired with an insulated frame cuts that transfer by up to 40% compared to single-pane builder windows from the 1990s. Lightwell Windows Jacksonville installs energy-rated units from PGT, CGI, and ViewLux with double-pane insulated glass and argon or krypton fills, sized to the exact rough opening so there’s no air gap around the frame for humidity to sneak through. Expect $500 to $1,200 per opening for a good dual-pane low-E window, installed.

Low-E Glass for Florida Sun

Low-E is a microscopically thin metallic coating on the glass that reflects infrared heat while letting visible light pass. In a west-facing bedroom in Mandarin or Ortega, that coating is the difference between a room that’s comfortable at 4 p.m. and one that bakes.

We recommend a solar heat gain coefficient under 0.25 for most Jacksonville homes, and we’ll explain that number on your quote so you know what you’re buying.

Frames That Hold the Seal

A high-performing glass package means nothing if the frame itself conducts heat or wicks moisture. Vinyl and thermally broken aluminum frames are the standard for energy efficiency in Northeast Florida, and each has a different trade-off in coastal salt exposure.

For homes within a few miles of the Intracoastal, we often steer toward PGT’s impact-rated vinyl lines with stainless hardware, because the salt air chews through untreated aluminum in under a decade.

Window Repair

Window Repair is what you need when the window still opens and closes but something’s wrong: a cracked latch, a rotting sill, a sash that drops when you let go, or a crank mechanism that grinds like gravel. In Jacksonville’s humidity, the most common repair calls we get are rotted wood sills at the bottom corners and broken spring balances inside vinyl sashes. Lightwell Windows Jacksonville repairs what’s repairable and tells you honestly when replacement is the better financial move. Download our Window Replacement Maintenance Checklist for Jacksonville Homeowners to stay ahead of problems, typically within $150 to $500 per window for component-level repairs like balance replacements, latch swaps, and weatherstripping. A full sash replacement runs higher, and we cover that in its own section below.

Sticking Sashes and Failed Balances

Older Jacksonville homes, especially in Riverside and Avondale’s historic districts, have double-hung windows with weighted cord-and-pulley systems that fail when the rope finally rots. The sash gets heavy, then it won’t stay up at all.

We can rebuild those with new balances and jamb liners without touching the original trim, which keeps the character of the house while making the window functional again.

Rotted Wood and Sill Repair

A soft sill is a moisture problem first, and a structural problem second. If the rot hasn’t reached the framing, we cut out the damaged section, treat the surrounding wood, and install a composite or PVC sill that won’t rot again.

If the rot has spread into the rough opening behind the siding, that’s a bigger job, and we’ll show you the photos before we quote it. No surprises, just the truth.

Window Replacement Company

A Window Replacement Company is only as good as what happens after the contract is signed. Most homeowners pick a company based on one thing: how the crew behaves inside their house. Lightwell Windows Jacksonville is an independently owned and operated Cedarwell location, led by Keith Yamada, and we’ve decided that the C.A.R.E. values are non-negotiable on every job: Clean up like it’s our own home, Ask before we move or touch anything, Respect the family’s time and quiet hours, Explain the price before the work. Most full window replacement projects through us run $450 to $1,400 per opening. The difference between us and a broker who subs the work out is that our background-checked, uniformed technicians are the ones who show up, and they’re accountable to the Cedarwell Care Promise, not to a subcontractor’s schedule.

Why the Crew Matters More Than the Marketing

Anyone can post photos of finished windows. What you can’t fake is a house that’s cleaner when the crew leaves than it was when they arrived. We bring shoe covers and drop cloths on every visit, and we photograph the clean-up before we walk out the door.

That photo goes to you, and it’s part of the record on every job, because we’ve heard too many stories from homeowners who found drywall dust in their kids’ rooms a week after the installers left.

One Company, One Promise, No Subcontractors

We don’t hand your job to a crew we’ve never met. The technicians who walk through your door are Lightwell people, trained on our process, wearing our uniforms, and carrying our 365-Day Done Right Promise on their shoulders.

If it’s not done right, we make it right. That’s stamped on every job, not just the easy ones. Read more about how this works on our Window Replacement in Jacksonville page.

Window Glass Replacement

Window Glass Replacement is exactly what it sounds like: new insulated glass units installed into the existing frame, without replacing the frame itself. It’s the right call when the frame is solid but the seal between the panes has failed, the glass is cracked, or a storm branch took out one pane. In Jacksonville, a fogged double-pane unit usually means the seal failed, and that’s a glass replacement job, not a whole-window job. Lightwell Windows Jacksonville replaces the glass only when the frame passes a 12-point inspection; glass replacement typically runs $200 to $500 per unit in Jacksonville, depending on size, thickness, and whether you need tempered or impact-rated glass. Full frame-and-glass window replacement runs higher, but glass-only is the budget-friendly fix when the frame earned its keep.

Fogged Glass and Failed Seals

Condensation between the panes is the surest sign the seal is dead, and no amount of defogging tricks will make that glass perform like new again. You’ll notice it first in the morning after a cool night, then it never really goes away.

We measure, order a new double-pane unit with the same low-E and gas fill specifications, and install it into your existing frame. The process is a one-day job in most cases.

Impact Glass for Coastal Homes

If you live east of US-1 in Jacksonville Beach or Neptune Beach, building code may require impact-rated glass for any replacement. An impact unit isn’t just tempered glass; it’s a laminated sandwich designed to take a 2×4 at 50 feet per second without breaching the envelope.

We stock and order CGI and PGT impact glass, and we’ll tell you plainly if code applies to your property. No upsell, just what the building department will sign off on.

Window Sash Replacement

Window Sash Replacement is the middle ground between a small repair and a full frame-out: the sash is the movable part of the window that holds the glass, and replacing it gives you new glass, new seals, and new hardware without tearing the frame out of the wall. It’s common in Jacksonville where aluminum single-hung windows from the 1980s and 1990s still have good frames but pitted, corroded sashes that won’t seal. Lightwell Windows Jacksonville replaces sashes in both double-hung and casement windows, typically $300 to $700 per sash depending on brand and glass package. If the frame is square and the exterior finish is intact, sash replacement is the fastest path to a working window that actually closes tight.

Sash vs. Full Replacement: What We Look At

We measure the frame for square, check for rot at the sill, and test the jamb liners before recommending a sash replacement. If all three pass, there’s no reason to pay for a full window.

That honest assessment is part of the free estimate. We’d rather do the smaller job the right way than sell you a window you don’t need.

Matching What’s Already in the House

When you replace one sash in a room of six windows, the new one has to match. We handle the brand match so the latching hardware, glass tint, and sash profile all read the same.

We see a lot of older PGT and CWS models in Arlington and San Marco, and we know those product lines well enough to source the correct sash the first time.

Window Glass Repair

Window Glass Repair is the shortest-term fix: it means addressing a specific glass problem, like a crack, a chip, or a broken edge seal, without necessarily replacing the entire insulated unit. A small crack from a mower-thrown pebble can often be stabilized with a resin injection, but in a humid climate like Jacksonville’s, a crack that reaches the edge of the pane will continue to spread as temperature swings stress the glass. Lightwell Windows Jacksonville does glass repair where the damage is cosmetic and contained, and we tell you when repair would just delay an inevitable replacement, because putting a bandaid on a pane that’s already down to the spacer bar is not what a neighbor does. Expect $80 to $200 for a straightforward chip repair, and $200 to $500 when the repair is actually a glass-only replacement on a failed unit.

Chips and Stress Cracks: When a Fix Holds

A dead-center chip the size of a dime, without radiating cracks, is a candidate for resin fill. The repair stabilizes the damage and keeps water out, and it’s barely visible once cured.

But a crack that touches the frame edge means the pane’s stress distribution is broken. In Florida’s thermal cycling, that crack will run, and we’ll tell you before you spend money on a temporary fix.

When the Glass Is Tempered

Any window within 18 inches of the floor, or next to a door, is almost certainly tempered glass under Florida building code. Tempered glass can’t be repaired; it shatters into safe cubes by design, and a compromised tempered pane needs replacement.

We identify the glass type during the estimate so you know exactly what you’re working with. No guesswork, no wasted trips.

Window Pane Replacement

Window Pane Replacement is the basic act of putting new glass into an existing frame. In a single-pane wood window, it might be as simple as glazing a new piece of glass with putty; in a modern double-pane unit, the “pane” is the sealed glass assembly itself. Jacksonville’s older neighborhoods, Springfield and Murray Hill for example, still have plenty of original single-pane wood windows where one cracked pane is a $100 to $250 fix, not a $900 replacement. Lightwell Windows Jacksonville handles pane replacement for single-pane and double-pane windows, and when a double-pane unit has failed, we replace the entire insulated glass unit rather than trying to split it open, because a re-glazed IGU will fog again within a season. Plain talk: sometimes the pane is the glass, and sometimes the pane is the whole IGU. We’ll tell you which one applies to your window.

Single-Pane Wood Window Reglazing

For original wood windows in Riverside’s bungalows or Springfield’s craftsman homes, pane replacement means removing the old glazing compound, setting fresh glass into the rabbet, and re-glazing with putty that matches the original profile.

We preserve what’s original and restore function without destroying the window’s character. It’s slower than a tear-out, but the finished window looks like it belongs there, because it does.

Double-Pane IGU Replacement

When a double-pane window fails, the whole insulated glass unit comes out and a new one goes in. The sash gets re-sealed, the weep holes get cleared, and the glazing beads get replaced if they’re brittle.

It’s a clean, dustless job when done right, and we’ll put down the drop cloths regardless. Your floors don’t care how small the job is; they’re getting protected either way.

Window Seal Repair

Window Seal Repair is what happens when the airtight barrier between two panes of glass fails, letting humid air into the space that was supposed to stay dry. In Jacksonville, where summer dew points sit in the mid-70s from June through September, a failed seal shows up as fog, streaks, or water beads between the panes, and it will not dry out on its own. Lightwell Windows Jacksonville handles seal repair by replacing the desiccated insulated glass unit with a new one that carries a fresh seal warranty, typically $200 to $450 for a standard double-hung IGU. We don’t do the “drill two holes and spray cleaner” trick, because it’s a temporary cosmetic fix that leaves the argon gone and the humidity inside; you’d be paying for a clean-looking window that’s still thermally dead.

Weatherstripping and Peripheral Seals

Not every seal problem is between the glass. The weatherstripping around the sash perimeter is the seal that keeps outside air from pushing into your house, and it wears flat after years of opening, closing, and Florida humidity.

We replace worn wool pile, bulb seals, and compression gaskets, and we test the air infiltration before and after so you can hear the difference. A well-sealed window doesn’t whistle in a northeast wind.

When the Seal Fails on a New Window

If you bought a house with “new” windows and one is already fogging, the original installer may have used a low-grade IGU with a thin desiccant strip. It happens more than any manufacturer will admit.

We replace those failed units with glass that carries a longer seal warranty, and if the window was installed by us, it’s covered under our 365-Day Done Right Promise anyway. That’s the whole point of the promise.

Brands We Service

We carry and service PGT windows, one of Florida’s largest impact-rated window manufacturers, and we’re deeply familiar with their WinGuard and SpectraGuard lines. If you have an older PGT unit with a failed seal or a broken balance, we can often source the OEM part and get it back to factory spec without a full replacement.

CGI and CWS are also in our lineup, and both are common in newer coastal construction from Jacksonville Beach down to St. Augustine. We stock the glass specifications and hardware patterns for these lines, and we know their warranty submission processes well enough to file claims correctly the first time. ViewLux rounds out the high-efficiency end of the catalog, with slim-profile frames that work well in modern builds. Whether you have PGT, CGI, CWS, ViewLux, or any other make, we can help. Call (904) 914-3691 and tell us what’s on the sticker in the corner of the glass; we’ll know what we’re working with.

Signs You Need a Pro Right Now

• Condensation between the glass panes. The seal has failed and the insulating gas is gone. You’re now paying to cool a window, not a room, and it won’t fix itself. This is the number one call we get from Jacksonville homeowners in the summer.
• A sash that won’t stay up, or one that feels dangerously heavy. The spring balance or cord has failed. If it slams shut on a hand, that’s a serious injury, and it means the window is one cycle away from not opening at all.
• Visible rot at the sill corners or soft wood under the paint. Moisture is getting in, and wood rot spreads fast in Florida. What looks like a small blister can be a six-inch pocket behind the siding by the time we open it up.
• A wind whistling sound you can’t locate. Failed weatherstripping or a warped sash is letting conditioned air out and humid air in. Your HVAC system is working harder than it needs to, and your electric bill is the proof.
• Water staining on the wall or floor below a window. That’s not a window problem anymore; it’s a water intrusion problem that’s already reached the framing. In Jacksonville’s thunderstorms, a leaking window flashing can soak a wall cavity within a season.

Our Process, Step by Step

1. 1
   Free estimate, written and line-itemed. We walk the property, measure every opening, test for air leaks and failed seals, and photograph the existing conditions. Then we hand you a written quote that covers every line of the job. No verbal ballpark that turns into a bigger number later.
2. 2
   Brand and glass package selection. We match the recommendation to your house, your exposure, and your budget. East-facing windows get a different low-E spec than west-facing ones. Coastal homes get impact glass where code requires it. We explain the differences without drowning you in spec sheets.
3. 3
   Site protection before the first cut. Shoe covers go on at the door. Drop cloths go down from the entry to the work area, and furniture gets covered if there’s any chance of dust. We ask before moving anything, and we respect quiet hours if there’s a napping kid or a dog who needs a closed door.
4. 4
   Removal, prep, and proper installation. The old window comes out carefully, the rough opening is inspected for rot or water damage, and any remedial work is documented with photos before we proceed. New windows get flashed and sealed per manufacturer and Florida code, then shimmed square and plumb. This is where most cheap installs fail, and we don’t skip it.
5. 5
   Clean-up photo and the final walkthrough. Before we leave, we photograph the clean-up and send it to you. Then we walk the job together: open and close every window, inspect the seals, and make sure the answer to “is this done right?” is an easy yes. The 365-Day Done Right Promise starts the day we finish.

How Much Does Window Replacement Cost in Jacksonville?

Our Service Area Near Jacksonville

We serve all of Duval County and the surrounding communities: Window Replacement in Orange Park, Window Replacement in Atlantic Beach, Jacksonville Beach, Neptune Beach, Fernandina Beach, Middleburg, Green Cove Springs, Callahan, Yulee, St. Johns, and St. Augustine. For most addresses inside the I-295 loop, we can typically schedule a free estimate within a few business days. A call to (904) 914-3691 gets you a real person and a straight answer on timing, no phone tag and no pushy sales follow-up.

Frequently Asked Questions About Window Replacement in Jacksonville

Schedule Your Window Replacement Service in Jacksonville Today

You deserve a window that closes tight, cuts the electric bill, and lets in Florida light without the Florida heat. Call (904) 914-3691 to schedule a free, no-obligation estimate with Lightwell Windows Jacksonville. You’ll get a written line-item price before any work starts, and you’ll never get a surprise number at the end. If a question comes up at midnight, a live person still picks up the phone.

Written by Keith Yamada, Owner at Lightwell Windows Jacksonville, serving Jacksonville since 2010.